High-resolution electron time-of-flight spectrometers for angle-resolved measurements at the SQS Instrument at the European XFEL

被引：7

作者：

De Fanis, Alberto ^{[1
]}

Ilchen, Markus ^{[1
,2
,3
,4
]}

Achner, Alexander ^{[1
]}

Baumann, Thomas M. ^{[1
]}

Boll, Rebecca ^{[1
]}

Buck, Jens ^{[4
]}

Danilevsky, Cyril ^{[1
]}

Esenov, Sergey ^{[1
]}

Erk, Benjamin ^{[4
]}

Grychtol, Patrik ^{[1
]}

Hartmann, Gregor ^{[2
,3
,4
]}

Liu, Jia ^{[1
]}

Mazza, Tommaso ^{[1
]}

Montano, Jacobo ^{[1
]}

Music, Valerija ^{[1
,2
,3
]}

Ovcharenko, Yevheniy ^{[1
]}

Rennhack, Nils ^{[1
]}

Rivas, Daniel ^{[1
]}

Rolles, Daniel ^{[5
]}

Schmidt, Philipp ^{[2
,3
]}

Namin, Hamed Sotoudi ^{[1
]}

Scholz, Frank ^{[4
]}

Viefhaus, Jens ^{[4
]}

Walter, Peter ^{[6
]}

Ziolkowski, Pawel ^{[1
]}

Zhang, Haiou ^{[1
]}

Meyer, Michael ^{[1
]}

机构：

[1] European XFEL, Holzkoppel 4, D-22869 Schenefeld, Germany

[2] Univ Kassel, Inst Phys, Heinrich Plett Str 40, D-34132 Kassel, Germany

[3] Univ Kassel, CINSaT, Heinrich Plett Str 40, D-34132 Kassel, Germany

[4] DESY, Notkestr 85, D-22607 Hamburg, Germany

[5] Kansas State Univ, Dept Phys, JR Macdonald Lab, Manhattan, KS 66506 USA

[6] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

来源：

JOURNAL OF SYNCHROTRON RADIATION | 2022年 / 29卷

关键词：

time-of-flight spectrometer; electron spectroscopy; FEL; synchrotron; ANGULAR-DISTRIBUTION; AUGER TRANSITIONS; PHOTOELECTRON; SPECTROSCOPY; ATOMS; ION; DIFFRACTION; MOLECULES; EMISSION; DECAY;

D O I：

10.1107/S1600577522002284

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A set of electron time-of-flight spectrometers for high-resolution angle-resolved spectroscopy was developed for the Small Quantum Systems (SQS) instrument at the SASE3 soft X-ray branch of the European XFEL. The resolving power of this spectrometer design is demonstrated to exceed 10 000 (E/Delta E), using the well known Ne 1s(-1)3p resonant Auger spectrum measured at a photon energy of 867.11 eV at a third-generation synchrotron radiation source. At the European XFEL, a width of similar to 0.5 eV full width at half-maximum for a kinetic energy of 800 eV was demonstrated. It is expected that this linewidth can be reached over a broad range of kinetic energies. An array of these spectrometers, with different angular orientations, is tailored for the Atomic-like Quantum Systems endstation for high-resolution angle-resolved spectroscopy of gaseous samples.

引用

页码：755 / 764

页数：10

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